SmallRig Magic Arm with Double Ballheads (1/4’’ and 3/8’’ Screws) 2212 is good for mounting monitors. Combined with Smallrig Ballhead Clamp 2134, it can work with other ballheads like 1/4-20 Head 2134, NATO Head 2133, Arri Locating Head 2114 and 15mm Rod Mount Head 2186 to bring more custom configurations. It has tool-less thumb screws for convenient installation, anti-slip pads and a cushion ring for firm grip. It is convenient to adjust the ballheads to any postion so the monitor is well placed. Its ballheads are interchangeable with SmallRig Ballheads products 2070, 2071, 2072, 2115, 2116, 2111, 2110 and 2186.